IMAGE powerpoint25.jpg

Past Technology

Feb 14, 1946:
Computer

Eniac

2 floors, 30 tons, $400,000,
19,000 vacuum tubes,
6000 switches, 5000
calculations per second,
would work average 7
minutes before crashing

Encyclopedia Britannica in
book form: 15 hours to
print, $500, 2400 pounds,
used 23 trees

Ian Jukes, Educational Technology Planners
(www.thecommittedsardine.net)

http://store.corbis.com/prodconfig/ima
ge_details.asp?navid=top25&imageid=
10354674

[made with GoClick]